The Fresh Prince of Bel-Air (1990)

S02E20 Those Were the Days

Title: Flashback to the '60s Plot: Philip and Vivian host a former '60s activist whose presence sparks the FBI's attention. Inspired by their guest, Will and Carlton decide to stand up for a teacher who has been dismissed for his unconventional views. Their newfound motivation leads them to take a stand, challenging the status quo and advocating for the importance of diverse perspectives in education.